Date: Wed, 20 Dec 2017 11:44:41 -0500 From: Ken Merry <ken@freebsd.org> To: Rebecca Cran <rebecca@bluestop.org> Cc: Alan Somers <asomers@freebsd.org>, FreeBSD-scsi <freebsd-scsi@freebsd.org> Subject: Re: FreeBSD 11 not sending repeated TURs until good status returned? Message-ID: <46D9E004-E980-4864-B981-0A21B3AE2857@freebsd.org> In-Reply-To: <9d73844e-582f-3e08-3944-cada11a9c768@bluestop.org> References: <87ad0e0a-0183-d123-d7f3-2735c8cf854e@bluestop.org> <CAOtMX2jkxQ__2VYMsrj111Wza67ONQrrMPSmMPKFgugP%2BoYd-g@mail.gmail.com> <30772d0e-2456-a90e-54a2-7575987b25b4@bluestop.org> <9209CA38-750D-4966-911F-342092309DDF@freebsd.org> <9d73844e-582f-3e08-3944-cada11a9c768@bluestop.org>
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> On Dec 20, 2017, at 11:37 AM, Rebecca Cran <rebecca@bluestop.org> = wrote: >=20 > On 12/20/2017 09:09 AM, Ken Merry wrote: >=20 >> I have seen this behavior on some HGST SSDs. I haven=E2=80=99t had a = chance to fully chase it down. >=20 > You're right, this is one of those drives. Looks like you have it plugged in to a 6Gb controller. Try plugging it = in to a 12Gb expander and 12Gb controller and see what happens. We have = some of those that refuse to probe at all when they=E2=80=99re attached = to a 12Gb topology. 6Gb works ok, I think, but we do get those = messages. One of my co-workers is doing the debugging on that one, so = I=E2=80=99m not sure whether some or all of the drives are having = issues. >=20 >> We=E2=80=99ll probably need full logs to get a better idea of what is = going on. >=20 > Thanks, I've forwarded your email to the people working on it. >=20 Ok. Ken =E2=80=94=20 Ken Merry ken@FreeBSD.ORG
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